my landlord comes over with no notice

my landlord comes on my days off-with no notice ,his lookin g in the basement for i dont know what,looking for grow-up , i work 50 hours a week, and he knows where i work,i live in this house over ayear and he dosn't trust me , i gues i should move out, and may be next tenant will grow some grass in the house

Are you in the US? If so, your landlord cannot legally enter your residence without giving you a formal 24 hour notice. If he does this again, advise him that he is breaking the law. You can take him to court for this.